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icreinstall_nsrebc.tmp

The file icreinstall_nsrebc.tmp has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory.
MD5:
8b0b78ad67222a6f4400e577a5eb94cb

SHA-1:
98ec8986fd3360e8b666feaeef873dfd596ca836

SHA-256:
3e2e793500ccb3c403c8d2ac81210f40067e9a3a4c3c105adbbbaa9498cb47c0

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/24/2024 2:36:50 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141124

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.PL potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
11/24/2014

F-Prot
W32/A-e3871acb
v6.4.7.1.166

McAfee
RDN/Generic.bfr!hq
5600.6936

NANO AntiVirus
Riskware.Win32.InstallCore.djeesw
0.28.6.63474

Reason Heuristics
PUP.InstallCore.V
14.11.24.15

Sophos
Generic PUA PB
4.98

SUPERAntiSpyware
Adware.InstallCore/Variant
10218

Trend Micro House Call
TROJ_GEN.R047H06IB14
7.2.328

VIPRE Antivirus
Threat.4150696
32938

File size:
575.3 KB (589,102 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsrebc.tmp

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:cKyvpItZeePI49INWTBmXyBB9im0hXDYOjd2+8HIXilYAf6W+0LpRyhLQ+fR12o3:hyv+NXwWlBBT0hXT2nhlYp0LpohE+J0i

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8436

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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